a1bee5a70d8bba9a29ed4b1512323bc4723a98634a8840e69e500d8e322d5387

General

Target
2026-07-19_99dee88a2b973f253c53b173d82a478c_bkransomware_elex_maze_rhadamanthys.exe
Size 557KB
Sample260720-back3sax3p
SHA256 a1bee5a70d8bba9a29ed4b1512323bc4723a98634a8840e69e500d8e322d5387
MD5 99dee88a2b973f253c53b173d82a478c
SHA1 6031f389a3b546071f48a968911b92edca8f8796
SHA512 c9b3784ee0a4ec58e9b4b2430b8b383177c117d161c7c4295cdfb926c582cda77e434c95f828210337e37e097f3658462e54b10304cc1adaae6a22ff40b81663
SSDEEP 12288:xC0pcKUoZ7xhAKGyVHamXgVRFAdvufW7Q35:Dpb1GyV6DadGfmQ35
TLSH
T143C4221373C58234D29B1BBA556A8E44493FBEB13FA58D53279826CE5C313C28E34A37
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
4468	CTS.exe
4544	CTS.exe

Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

Credentials from Web Browsers
T1555.003

Adds Run key to start application 2 TTPs 3 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\CTS = "C:\\Windows\\CTS.exe"	2026-07-19_99dee88a2b973f253c53b173d82a478c_bkransomware_elex_maze_rhadamanthys.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\CTS = "C:\\Windows\\CTS.exe"	CTS.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\CTS = "C:\\Windows\\CTS.exe"	CTS.exe

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\Windows\CTS.exe	2026-07-19_99dee88a2b973f253c53b173d82a478c_bkransomware_elex_maze_rhadamanthys.exe
File created	C:\Windows\CTS.exe	CTS.exe
File created	C:\Windows\CTS.exe	CTS.exe

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2026-07-19_99dee88a2b973f253c53b173d82a478c_bkransomware_elex_maze_rhadamanthys.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	CTS.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	4308	2026-07-19_99dee88a2b973f253c53b173d82a478c_bkransomware_elex_maze_rhadamanthys.exe
Token: SeDebugPrivilege	4468	CTS.exe
Token: SeDebugPrivilege	4544	CTS.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 4308 wrote to memory of 4468	4308	2026-07-19_99dee88a2b973f253c53b173d82a478c_bkransomware_elex_maze_rhadamanthys.exe	86

C:\Users\Admin\AppData\Local\Temp\2026-07-19_99dee88a2b973f253c53b173d82a478c_bkransomware_elex_maze_rhadamanthys.exe
"C:\Users\Admin\AppData\Local\Temp\2026-07-19_99dee88a2b973f253c53b173d82a478c_bkransomware_elex_maze_rhadamanthys.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4308
- C:\Windows\CTS.exe
  "C:\Windows\CTS.exe"
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Drops file in Windows directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:4468

C:\Windows\CTS.exe
C:\Windows\CTS.exe
1⤵
- Executes dropped EXE
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
PID:4544

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Credentials from Password Stores

1

T1555

Credentials from Web Browsers

1

T1555.003

Unsecured Credentials

1

T1552

Credentials In Files

1

T1552.001

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Data from Local System

1

T1005

Command and Control

Exfiltration

Impact

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Downloads

powershell.exe.log

Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
Size 73KB
SHA256 65ac10ff964827e54a6c38797a08d725c61fea2e4a3c64bfdc0b099c69915094
MD5 38670729cced8dda822e0668031416a2
SHA1 bc0a46e94b8c68d7ded7d6ae6634f846d831cd51
SHA512 99d6037b5553105955f66753ca379e8e9b8840427ce957424f85a0f1cf88463df7773bc4366f4eedd966c726c948d4efbb77727a8736306ef6025ad9d70f0be3
SSDEEP 1536:Fc8N7UsWjcd9w+AyabjDbxE+MwmvlzuazT0E2R:ZRpAyazIliazT0Ee
TLSH
T116736B03B6D2C170E4B70A7609B4CE61067FBE765EB18E5B37C4218E09752C09E39BA7
MD5 SHA1 SHA512 SSDEEP TLSH

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ONu2Ma8QUC9h0g8.exe

Path C:\Users\Admin\AppData\Local\Temp\ONu2Ma8QUC9h0g8.exe
Size 557KB
SHA256 d5e8bdf16190c92f32ec48cb02aaf6ecd757a5536704d5ceff776d6722407bff
MD5 8f5cd9d6ca4ff30514105274322c20c2
SHA1 6613d7effe8562dec7ea0981c7306edb93325bda
SHA512 9e02c5a2a39c6eaf9f6bfc727c7ff84c311a3b729e8816f2e4ea4ae11f218dc196c78da3df378d7329e7663667d2748667c6b2bbb31a4554f406eb11abefbb6c
SSDEEP 12288:Q0beUXvTE3sMPXHBe1JY9MLBxCAKebs5lBZjgl900cFdxF:3beULy9ePY9OBxCA1alEl20OdxF
TLSH
T177C4E084B4C75557EB38E03153A1AAE9EFE9906749D0A0A1315D23BB9F739C40D0FAB3
MD5 SHA1 SHA512 SSDEEP TLSH

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CTS.exe

Path C:\Windows\CTS.exe
Size 71KB
SHA256 b43be87e8586ca5e995979883468f3b3d9dc5212fbfd0b5f3341a5b7c56e0fbc
MD5 f9d4ab0a726adc9b5e4b7d7b724912f1
SHA1 3d42ca2098475924f70ee4a831c4f003b4682328
SHA512 22a5f0e4b2716244e978ee50771823926f86baf0382ece48fd049f039cf77b5eb0691d83c61148903cff081fdbea969f47b8ed521647717f42bbed5c64552432
SSDEEP 1536:Fc8N7UsWjcd9w+AyabjDbxE+MwmvlzuazT:ZRpAyazIliazT
TLSH
T176636B03B6D2C171E4B70A7649B8CE51067FBE765EB18D5B33C4218E49752C08E3ABA7
MD5 SHA1 SHA512 SSDEEP TLSH

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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Downloads